xref: /openbmc/u-boot/board/freescale/p1023rdb/tlb.c (revision 88364387)
1 /*
2  * Copyright 2013 Freescale Semiconductor, Inc.
3  *
4  * See file CREDITS for list of people who contributed to this
5  * project.
6  *
7  * This program is free software; you can redistribute it and/or
8  * modify it under the terms of the GNU General Public License as
9  * published by the Free Software Foundation; either version 2 of
10  * the License, or (at your option) any later version.
11  *
12  * This program is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15  * GNU General Public License for more details.
16  *
17  * You should have received a copy of the GNU General Public License
18  * along with this program; if not, write to the Free Software
19  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
20  * MA 02111-1307 USA
21  */
22 
23 #include <common.h>
24 #include <asm/mmu.h>
25 
26 struct fsl_e_tlb_entry tlb_table[] = {
27 	/* TLB 0 - for temp stack in cache */
28 	SET_TLB_ENTRY(0, CONFIG_SYS_INIT_RAM_ADDR, CONFIG_SYS_INIT_RAM_ADDR,
29 		      MAS3_SX|MAS3_SW|MAS3_SR, 0,
30 		      0, 0, BOOKE_PAGESZ_4K, 0),
31 	SET_TLB_ENTRY(0, CONFIG_SYS_INIT_RAM_ADDR + 4 * 1024,
32 		      CONFIG_SYS_INIT_RAM_ADDR + 4 * 1024,
33 		      MAS3_SX|MAS3_SW|MAS3_SR, 0,
34 		      0, 0, BOOKE_PAGESZ_4K, 0),
35 	SET_TLB_ENTRY(0, CONFIG_SYS_INIT_RAM_ADDR + 8 * 1024,
36 		      CONFIG_SYS_INIT_RAM_ADDR + 8 * 1024,
37 		      MAS3_SX|MAS3_SW|MAS3_SR, 0,
38 		      0, 0, BOOKE_PAGESZ_4K, 0),
39 	SET_TLB_ENTRY(0, CONFIG_SYS_INIT_RAM_ADDR + 12 * 1024,
40 		      CONFIG_SYS_INIT_RAM_ADDR + 12 * 1024,
41 		      MAS3_SX|MAS3_SW|MAS3_SR, 0,
42 		      0, 0, BOOKE_PAGESZ_4K, 0),
43 
44 	/* TLB 1 */
45 	/* *I*** - Covers boot page */
46 	SET_TLB_ENTRY(1, 0xfffff000, 0xfffff000,
47 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I,
48 		      0, 0, BOOKE_PAGESZ_4K, 1),
49 
50 	/* *I*G* - CCSRBAR */
51 	SET_TLB_ENTRY(1, CONFIG_SYS_CCSRBAR, CONFIG_SYS_CCSRBAR_PHYS,
52 		      MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
53 		      0, 1, BOOKE_PAGESZ_4M, 1),
54 
55 	/* W**G* - Flash, localbus */
56 	/* This will be changed to *I*G* after relocation to RAM. */
57 	SET_TLB_ENTRY(1, CONFIG_SYS_FLASH_BASE, CONFIG_SYS_FLASH_BASE_PHYS,
58 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_W|MAS2_G,
59 		      0, 2, BOOKE_PAGESZ_256M, 1),
60 
61 	/* *I*G* - PCI */
62 	SET_TLB_ENTRY(1, CONFIG_SYS_PCIE3_MEM_VIRT, CONFIG_SYS_PCIE3_MEM_PHYS,
63 		      MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
64 		      0, 3, BOOKE_PAGESZ_1G, 1),
65 
66 	/* *I*G* - PCI */
67 	SET_TLB_ENTRY(1, CONFIG_SYS_PCIE3_MEM_VIRT + 0x40000000,
68 		      CONFIG_SYS_PCIE3_MEM_PHYS + 0x40000000,
69 		      MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
70 		      0, 4, BOOKE_PAGESZ_256M, 1),
71 
72 	SET_TLB_ENTRY(1, CONFIG_SYS_PCIE3_MEM_VIRT + 0x50000000,
73 		      CONFIG_SYS_PCIE3_MEM_PHYS + 0x50000000,
74 		      MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
75 		      0, 5, BOOKE_PAGESZ_256M, 1),
76 
77 	/* *I*G* - PCI I/O */
78 	SET_TLB_ENTRY(1, CONFIG_SYS_PCIE3_IO_VIRT, CONFIG_SYS_PCIE3_IO_PHYS,
79 		      MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
80 		      0, 6, BOOKE_PAGESZ_256K, 1),
81 
82 	/* Bman/Qman */
83 	SET_TLB_ENTRY(1, CONFIG_SYS_BMAN_MEM_BASE, CONFIG_SYS_BMAN_MEM_PHYS,
84 		      MAS3_SW|MAS3_SR, 0,
85 		      0, 7, BOOKE_PAGESZ_1M, 1),
86 	SET_TLB_ENTRY(1, CONFIG_SYS_BMAN_MEM_BASE + 0x00100000,
87 		      CONFIG_SYS_BMAN_MEM_PHYS + 0x00100000,
88 		      MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
89 		      0, 8, BOOKE_PAGESZ_1M, 1),
90 	SET_TLB_ENTRY(1, CONFIG_SYS_QMAN_MEM_BASE, CONFIG_SYS_QMAN_MEM_PHYS,
91 		      MAS3_SW|MAS3_SR, MAS2_M,
92 		      0, 9, BOOKE_PAGESZ_1M, 1),
93 	SET_TLB_ENTRY(1, CONFIG_SYS_QMAN_MEM_BASE + 0x00100000,
94 		      CONFIG_SYS_QMAN_MEM_PHYS + 0x00100000,
95 		      MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
96 		      0, 10, BOOKE_PAGESZ_1M, 1),
97 
98 	SET_TLB_ENTRY(1, CONFIG_SYS_NAND_BASE, CONFIG_SYS_NAND_BASE_PHYS,
99 		      MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
100 		      0, 11, BOOKE_PAGESZ_16K, 1),
101 
102 #ifdef CONFIG_SYS_RAMBOOT
103 	SET_TLB_ENTRY(1, CONFIG_SYS_DDR_SDRAM_BASE,
104 		      CONFIG_SYS_DDR_SDRAM_BASE,
105 		      MAS3_SX|MAS3_SW|MAS3_SR, 0,
106 		      0, 12, BOOKE_PAGESZ_256M, 1),
107 
108 	SET_TLB_ENTRY(1, CONFIG_SYS_DDR_SDRAM_BASE + 0x10000000,
109 		      CONFIG_SYS_DDR_SDRAM_BASE + 0x10000000,
110 		      MAS3_SX|MAS3_SW|MAS3_SR, 0,
111 		      0, 13, BOOKE_PAGESZ_256M, 1),
112 #endif
113 };
114 
115 int num_tlb_entries = ARRAY_SIZE(tlb_table);
116